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发明名称
Planter mechanism
摘要
申请公布号
US1976315(A)
申请公布日期
1934.10.09
申请号
US19310521631
申请日期
1931.03.11
申请人
DEERE & COMPANY
发明人
WHITE CHARLES H.
分类号
A01C7/18
主分类号
A01C7/18
代理机构
代理人
主权项
地址
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